Noiseless fluid pressure regulator



ug- 20,1935. R. c. HUGHES 2,011,764

NOISELESS FLUID PRESSURE REGULATOR Filed March 28, 1955 Patented Aug. zo, 1935 tutti Y Y 2,011,764 M NorsELEss" rtm1 PRESSURE nnouna'ro Reynolds Gas corporation of Indiana i Y Ralph' C; nHuglle'sgAnderson,"4 nd., assi'gnor yto .Regulator Co., Anderson, 11111;, al

Application Maren 2s, 1933 A,soria-1: No. v663,115, 61 claims; (orto-2 6) My invention relates toimprovements l in noisei lessuid pressure regulators Whichautomatically' respond; tochanges in pressureinthe outletport by y .consequent variation inlrela-tivefpressureson the 5`l1inlet and outlet sides ofiA the` reducing valve.- intere mediatesuch ports; and at the same timeproviding special pack-ing means which yields therea by permitting;` forcing` thevalve member against. a stationary apertured member as the'result of 1n: Alvarying pressuresiandV thereby avoiding undesirable chattering or throbbing by: su chf vibration of; theival'vemember; l .Y As ian additional meansof: preventing: undue vibration` of the controlling valve member in` rev:spense toivariation in pressure in the-port chambers andthe connected@ chamber of the adjacent' diaphragm. casing,v automatic polygonal thrust mechanism is, directed.y through an elongated lat-V eral openingggof curved outline, saidopeningycon- 1 A.necting the valve chamberI and: the diaphragmV casing' and' a -flexible member carried, by such -thr-ustmechanisnrispositioned toflccrrtact the i f inneri surface, ofv the casing. about' the opening;v toy f1J`. r -ther,l muiethe l chattering-fr .Y

It; isr a. still furtherv a-ncl special object oft my present invention: tofprovideaI cexible'-muiller readily mountable detachably. upon and carried ley-.the axially movable'- valveactuating member,

buton,`thefinnen end.- surfaceg ot the vguide-sleeve j x-adjacent; its innen endr and; Within ther-diaphragm, casing, solthat. said; flexible-muffler wilL engage suchlinnerendzsurfacefatthe time, or j ust Abeforer thepacking: oi ther valve strikes. the aperturedplug. in-.c1osinethe valve.- Y I fllhe full nature ot theL invention; WillA beunder.- stoodtfromthe-following description and claims,A andthe: accompanying drawing; in which,- y Figure L is-l aT centralverticalsection. through thefregulator, certain: portions being in el'eva- FigureZis a detailsectional,vievvtakenfin. the i I planeindicatedtby the, line 2.-2. of4 Fig.. 1,;and Y Figure 3 is a perspective. view. oil the flexibleand.

ape, ured. muiilerA carriedtby,r one. of.' the. valve.

Limmembersi f Y v noiselessv` pressure regulator is( herein disclosedin' an embodiment providing ar valve casing whichisvery` skeleton-like. instructurefhaving: many threalled;l apertures .l connecting chaml 5o?? bersthereof.. someof, which Will. ordinarily be,

Y lled. 'with plugs threaded; for. detachable insertion; therein, and. othersV receiving. connecting, ele-V mentatherethroughas Willlaterbe explained in. detain. 'Ilhisyalveycasing.isintegralandincludes,v

taraportion il which Willvserveasthe lower section.

of` a diaphragm casing;V and will for `that reason, provide a peripheraliilange I Bvifor receiving thereontherperiphery' off a-lexible diaphragmlf! 9.

".'Ihevalveportion ofsaid'integral casing 5 will havear threadedinlet port l and another oppositely directediand! designated 1f, serving as an outlet port. i The intermediate portion opposite the diaphragmcasingnhas a threaded aperture 8 inl alinement, Withanf-outer alined aperture I3 for receivmgafthreaded plug; |14.

Thisplugjllt-istsolid: andahas a non-circular externalxendrf-li' fori-engagement byf a suitable tool to rotate the same for:V detachment for inserting anothen tool throughi the opening I3: for removal of, the axially apertured plug., The intermediate threadedY aperturepforms an: elongated.v sleeve opening Which-may readily receive `therein an elongatedrplug externally threaded to4 beinserted im thel aperture 8,7this plug having an axial aperi ture` liswhichis stepped to provide ak reduced portion directed toward the section I1 and having an extended` thin annular rim lil` forming; a valve seat; against-which; valve:` packing carried in the: annular rim IZ oithemovable'valve plunger 28; may be thrust tocloseithefredueing valve used in my: mechanism disclosedi f AlInmy'structureshown, theplunger member 28 is lformed'intwoparts; the rimxmember. I2` having ansintegralfplug detachable: from aniaxial socket in lthe -larger memberiwhichispolygonal in cross section; fori guidingv movement in the circular or1 cylindricalv openingj29 The larger member 28Y has a'n aperturedlug EFI-extending into the chamber 2^2.fofy the'sectioxr` IFI;` A toggle vactuating mechvanisrnfor the plunger'28'isformedby links and 3A= pivoted-together by pin 33-V which also: pivots the -linksftothelowerend'` of: the actuating link d.

Vpositeend of link' 30 is pivotedr to lug Z'bypin 3l. Straighteningthe toggle members-will therefore thrust'l the plunger 28 and valve packing against the apertured rim- Il-and close-the Valve.

Itis to be understood that the entering gas at theport 6. is designed to l passthrough" the axial aperture l (Land when permitted to pass through, by movement. of the, member` |-2 away from rim H ,.Willipass upwardly, outside the diaphragm casing; and out. through the port ,7., Atthe same time, gas pressurewill be. maintained in the chamber yZZ by. communication withvalve chamber 2e throughsleeve 279'. v

The guidance of. the polygonal plunger 28 in the circular opening 29j or interior of the sleeve provides ample. sideV openings throughwhich the flowof fluid will ordinarily occur through these".

openings,fhowever.Above the diaphragm lBf I i YprovideV an upper section 2D of thecasing', the section being upwardly extended asia dome 2| having j threaded surfaces Within and externally,y the inner Ysurface receiving therein an adjustable` threaded`4 vplug i5 rnqvabletoward and from the diaphragm .a i9 and having alock nut 46 at the peakrvof the dome'Zi. The said diaphragm |9i s clamped between the plates 42y and 41, andthe pressure coil de mounted between the vplugulii'a andksaid plate (il, a screw member 431beinginserted through a central aperture inthe plate A1 andfint'o' an upper# Y a socket in the plate 42 adjustably, the upper endor. -V 20 22 will determinethe ielativepof's'ition ofthe toggle links V3U and 34, and thereby automatically open orA close the reducing {valve'elZfin'fresponse to-the J demand at the outlet l, and the nconsequent de-f t Y mand A'and` pr'essurein the *chamber 24# i' I, the lug 2'lfis threaded to'carrysaid lexiblebaiile member 25 intoy position falcingithe".'verticaljsur-f.y 1 face" of'l-thei'langeabout `the firmer' end 'of f the .sleeve'ZS@withinthe'chamber 22; 'Just sufficient l space Yis between: the ends ofy the vlink il'fand the' f shoulderifabout the lug 21` to receive thejthickness v of thek baiilemernber 25,'1 tofmake the mounting,

nd certainandits moveelongatedfslot 26 at its center'andthrough-which ment'sure. .Y y ff Y The baie elementv 2.5 approaches the shoulder at the sleeve flangegatthe"surface'inside the I chamber 22; asthefvalve member,` |2 approaches` T the grim: ,i tol'closeV the-valve. f Since the latter? distance traveledgby such baille iniapproaching the partition shoulde'r adjacent' the. sleeve 29,' Will Y. gradually be at aslower'rategisuchapproachwill sufficiently cut-off the stream 'of gasfrorn passing.

i' through the aperture inthe sleeve 29, sozthat the rumble Torcha'tter' in `thechamber 324. will no t be 'increased by being communicated to thedia'j' phragm `{`E'B, VVand will be suppressedl rather than' increase the resulting kvibrator y'movement 'offs valve Y parts uponr opening for closing fthel -ivalveL Because of the function whichit isxdesired' that V.this baie'element shouldj perfo'rrrf'i t.is intenc'iedfffV to be provided o-frflexiblermaterial such` asa suit?v l, able rubber composition. :f I? The kkside Wall, intermediate rthef v meansY beiore eXpIained'c'arried 'byT thelflug 2"4r 'tion;'surface'.A Y I Y A y y It' has beenfound that in gastregulators of either the spring or dead weighttype, the action l 1 of the gas is such that a consequent chattering or head of the screw-properly guiding the lower end y of thegcoilspringeefasj willbe understood. 'lower forked end of theAplat`e-42s' pivoted'by theY pin ii with the linlr; Thereby pressure ofthe, gases beneath the diaphragrni 9 inthe chamberv v Upon.: the lug2'l mount the rnuiiiing or'baillef VmernberaZ.which is circular and providedwithlan 1 a inlet-and I'out-- j let ports? 5 and -1,`of the chamber24 has'a'rela-" ytively-lange .threaded opening ,51,1 preferably of a a size permitting j manual entranceforv repairl `Apu'rp'eses',"ffwlfiich {may be closed by a threadedA plug 1tenes/ing a fncn-circularjexternai portion for 'applying an actuating tool-fior i detachable connection of tlfieplug'.` Whilethe structure hereA shown 'for mounting the skeletonv casing and cong pr nected {oriiices with detachable'plugs has Lbeen n f found highly menaient; land ,pracueab1e,- it is t desiredfto limit vthepresentapplication to the'Y particular arrangementro'i detailed s'tfucture mediately adjacent the'chamberlfl'; but tlfieibailleg4 tively. A Y. f

The normal position of,A the baiile element 25 will ybe slightly s withdrawn: from `the partition@ 4 Y surface or vertical Ysurface of i the' langelabout the inner end -ofthefsleeve within the chamber 22, l

' and the valve member a l2 is -ordinarily somewhat n Y n l .-open as.y Will be understood, so that an increased A' cap 4 8 isalso provided with an inner threaded surface for mounting uponthe'upperend of the?" demand will likely decrease the. pressure inthe chambersf722` andA 24,-thereby lowering @the dia'-V phragm i9 and opening the-valve, as Well as moving thefrnembern 'furtherdfrom said partiand setting up this rumbling which'is' communi'- cated around vthe plunger 28 tethec'hamber 22 'f reachingffthemain diaphragm I9 vvhere'V the rumbling isamplifiedand thefeddying or the'gases y vso accelerated. f v- ,Y .Y v Y `'Ihefus'e of rthisbafiie 25 carried bythe Ylug 21 of 'the'plunger'and moving jvvithit within the diaphragm chamberZZ; has beenrfoun'd to havefthe in the -chamlfxer` 22 that such throbbing originally 'existing-infeharnber '213 is notcommunicated to the main diaphragm, f and therefore eliminates rdesirable function of'dampeni'ng out the eddying H chattering and substantially results in a noise less Avalvefregulator." It is 'to be understood'that the' vnonJehatter-ir'ig V*device herein` disclosed is applicableto regulator structures having plungery members'movable through an apertured guide and {adaptedf Yfor `actuating' a ieduction Valvegintermediate therin'let and outletportsaof a'Y pressure regulator, a ilexible and supersensitive'baille 'plate '25being mountedoriltheflug-Zl at the end of the plunger 28r'emotefrom thevalve. -I claim a'smyinvention: Y

,13A noiselessgas regulator comprisin'ga-{valve rcasing having ,a valve seat Vand a diaphragm cas-i ing communicating with said valvecasing through van elongated guide sleeve, a valve Aactuating mern-n l f ber'movable throughsaid guide sleeve' toward andV from'said'valveseat andv having a valve member Y directed towardtheyalve'seat;`and ai'educedV opl-y 55 a posite end forming'y an apertured lugfforV-'insertion through 4said sleeve: into said-*diaphragm casing and havingjactuating connections Within the dialphragm casing, and afbaiilegmember' carried by .Y l said lu'gjadjacent said guide sleeve for dampening the gas feddiesin said casings andthereby eliminating `rumblingof' the valve.

atV one end `directed toward'said valveseat, and a'reduced'opposite rend lug within said diaphragm casing having actuating Aconnections withY thedia-Y Y end lug""stdj'acent saidv guide Vopening andVV in v 2 1A lnoisele'ss gas' regulator comprising a com# A Y posite'fcasing including a valvey casing having fa' Y Y valve seatand a diaphragm casingseparated by a verticalipartition Wall, the said vcasings communi` reating -*througll la' 4`tubular* guide; opening, a

`polygonal valve actuating member Vmovable longi? Ytl'idinallyA through said guide openingtoward and from saidjvalve seat and'having aivalveV 'member parallelism with the inner face of said partition wall for reducing speed of said valve member, and

for dampening the gas eddies in said composite casing and thereby eliminating rumbling of the valve. f Y

3. A noiseless gas regulator comprising a composite casing including a Valve casing having an inner chamber and alined inlet and outlet portsV separated by an apertured sleeve forming a valve seat atone end,l and a diaphragm casing spaced from s aid inner chamber by a vertical partition having a guide opening therethrough and spaced from said valve seat, a valve plunger movably -mounted Athrough said guide opening having a valve member directed toward the said valve seat to openor closesaid sleeve aperture, and a reduced pivotv end'lug Within said diaphragmcasing adja cent the face of' saidpartition, and a bafe disc` member carried by said reduced pivot end movable toward and away from said guide opening, spring means in said diaphragmcasing for normally withdrawing said valve member from said valve seat, means actuated by gas pressure beneath saiddiaphragm for closing said valve, and moving said baie member, thereby dampening the gas eddies in said valve casing and eliminating rumbling of the valve.

4, A noiseless gas regulator comprising a casing divided by a vertical 'apertured partition into Va pressure chamber for valve control mechanism and a Valve chamber having inlet and outlet ports leading thereto with a valve member mounted detachably between said ports and provided with an intermediate opening having a valve seat, aY plunger mounted for movement in the partition 'aperture connecting said valve and pressure chambers with one end toward said valve-seat to open or closel the valvev selectively, and a baille member carried Vby andY movable with the opposite end of said plunger toward and from said aperture for dampening gas eddies and eliminatingrumbling of the valve.

5. A noiseless gas regulator comprising an integral casing having a pressure anda valve chamber connected by a vertical and apertured partition, an apertured valve member mounted detachably in said valve chamber and providing an apertured valve seat therein connecting inlet and outlet ports, an actuating valve` elementV movable through said partition aperture by pressure exerted in said pressure chamber toward said valve seat, anda exible baie member carried by said i movable valve element within said pressure cham- `cylindrical opening, a polygonal plunger movably mounted in said cylindrical opening to provide elongated openings between said. plunger `and cylindrical opening for communication between the two casings,V a diaphragm mounted in said diaphragm casing for movement therein in response to iuid pressure on one surface of the diaphragm, a valve member carried-.on one end of said plunger for closing and opening movementy toward and away from said sleeve, means connected With said diaphragm for normally opening said valve member, and under said fluid pressure Vtending to close the valve, and a flexible baffle` member carried in the diaphragm casing by said plunger on the end opposite the Valve member for approaching and alternately receding from said cylindrical opening in said partition wall to dampen the gas eddies in the casings and thereby elimi- A nate rumbling of the valve.

f RALPH C. HUGHES. 

